Description:Female body up to 120x30 mm, green and papillate. Proboscis nearly as long, greenish, truncate but not bifid. Body without a distinct genital groove, but with two ventral chaetae with a strong interbasal muscle. Two nephridia. Anal vesicles saclike, covered with densely aggregated tubules.Male unknown.

Habitat:Burrowing into sand and mud, mostly at great depths.

Distribution:Kattegat, Skagerrak, Irish Sea and west Scotland.

Remarks:Not clearly distinguished from the Mediterranean form Maxmuelleria gigas (Müller), which was described earlier.